com.greensopinion.finance.services.web.EulaWebService.java Source code

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Here is the source code for com.greensopinion.finance.services.web.EulaWebService.java

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/*******************************************************************************
 * Copyright (c) 2015, 2016 David Green.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
package com.greensopinion.finance.services.web;

import static com.google.common.base.Preconditions.checkNotNull;
import static com.greensopinion.finance.services.ValidationPreconditions.validate;
import static com.greensopinion.finance.services.ValidationPreconditions.validateNotNull;
import static java.text.MessageFormat.format;

import java.io.IOException;
import java.nio.charset.StandardCharsets;

import javax.inject.Inject;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;

import com.google.common.base.Throwables;
import com.google.common.io.Resources;
import com.greensopinion.finance.services.GreenBeans;
import com.greensopinion.finance.services.domain.Settings;
import com.greensopinion.finance.services.domain.SettingsService;
import com.greensopinion.finance.services.web.model.Eula;
import com.greensopinion.finance.services.web.model.UserEulaStatus;

@Path(EulaWebService.BASE_PATH)
public class EulaWebService {
    static final String BASE_PATH = "/eula";
    static final String CURRENT_EULA = "current";
    static final String CURRENT = "user-agreements/current";

    private final SettingsService settingsService;

    @Inject
    EulaWebService(SettingsService settingsService) {
        this.settingsService = checkNotNull(settingsService);
    }

    @Path(CURRENT_EULA)
    @GET
    public Eula current() {
        try {
            return new Eula(Resources.toString(Resources.getResource(EulaWebService.class, "model/eula.html"),
                    StandardCharsets.UTF_8));
        } catch (IOException e) {
            throw Throwables.propagate(e);
        }
    }

    @Path(CURRENT)
    @GET
    public UserEulaStatus currentUserEulaStatus() {
        return new UserEulaStatus(settingsService.retrieve().userHasAgreedToLicense());
    }

    @Path(CURRENT)
    @PUT
    public void currentUserEulaStatus(UserEulaStatus newStatus) {
        validateNotNull(newStatus, "Must provide a EulaStatus.");
        validate(newStatus.userHasAgreedToLicense(), format(
                "You must agree to the license in order to use {0}.  Either agree to the license or exit the application.",
                GreenBeans.APP_NAME));

        Settings settings = settingsService.retrieve();
        settingsService.update(settings.withUserHasAgreedToLicense(newStatus.userHasAgreedToLicense()));
    }
}